The TCB-31 is an extended mag release designed to improve the functionality and ergonomics of the factory button. The TCB increases the size of your factory button by 263% making it easier and faster to perform magazine changes. The TCB-extened mag release size and ergonomic design enables button engagement without changing your grip position. The TCB extened mag release is compatible with 5.56/.223 and 7.62/.308 receivers. Check all state and local laws before installing any products!

Questions? We're here to help!

Live Chat

By Phone

Email

Mailing Address

2420 Mohawk Street #200Bakersfield, CA 93308

Sign up for Deal Alerts

We only email about once per week and we do our best to make sure they're worth your while.

Email Address *

Family Owned and Operated

We’re not a huge corporation that values the bottom line more than their customers and we’re not a one-man band selling AR15 parts out of a garage, we’re big enough to compete and small enough that each customer matters.

Satisfaction Guaranteed

Your AR15 build is important to you, so it is important to us. Our return policy is simple, if you’re not 100% satisfied with your purchase send it back within 30 days for a no-questions-asked refund.

World Class Service ★★★★★
We're focused on doing business in a way that earns us life-long customers. We have a 99.8% Positive eBay and Stamped.io Verified Customer Feedback Rating.